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All results from a given calculation for CH3CH(CH3)CN (Propanenitrile, 2-methyl-)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-210.799335
Energy at 298.15K-210.806622
HF Energy-210.044293
Nuclear repulsion energy158.718202
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3181 3022 18.15      
2 A' 3176 3017 32.62      
3 A' 3097 2943 4.80      
4 A' 3080 2927 12.89      
5 A' 2192 2083 0.49      
6 A' 1530 1454 11.08      
7 A' 1523 1447 7.67      
8 A' 1439 1367 4.13      
9 A' 1365 1297 5.44      
10 A' 1214 1153 1.86      
11 A' 1139 1083 3.33      
12 A' 956 909 0.56      
13 A' 786 747 0.46      
14 A' 544 517 0.72      
15 A' 355 338 0.16      
16 A' 295 280 0.49      
17 A' 220 209 2.08      
18 A" 3179 3021 11.70      
19 A" 3172 3014 0.00      
20 A" 3079 2926 14.94      
21 A" 1510 1435 3.77      
22 A" 1508 1433 0.01      
23 A" 1418 1347 4.38      
24 A" 1346 1279 0.37      
25 A" 1159 1101 2.19      
26 A" 993 944 0.26      
27 A" 950 903 1.51      
28 A" 563 535 0.14      
29 A" 230 218 0.01      
30 A" 184 174 4.03      

Unscaled Zero Point Vibrational Energy (zpe) 22690.6 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 21560.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2/6-311G**
ABC
0.26570 0.13125 0.09640

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.422 -2.185 0.000
C2 0.024 -1.080 0.000
C3 -0.448 0.311 0.000
C4 0.024 1.030 1.271
C5 0.024 1.030 -1.271
H6 -1.544 0.274 0.000
H7 -0.362 2.054 1.277
H8 -0.328 0.517 2.169
H9 1.116 1.068 1.299
H10 -0.362 2.054 -1.277
H11 -0.328 0.517 -2.169
H12 1.116 1.068 -1.299

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17492.64373.48073.48073.14874.49633.54583.57154.49633.54583.5715
C21.17491.46892.46372.46372.07143.40622.71682.73813.40622.71682.7381
C32.64371.46891.53501.53501.09642.16262.18232.17002.16262.18232.1700
C43.48072.46371.53502.54202.15551.09371.09261.09362.77283.49602.7925
C53.48072.46371.53502.54202.15552.77283.49602.79251.09371.09261.0936
H63.14872.07141.09642.15552.15552.48972.49873.06532.48972.49873.0653
H74.49633.40622.16261.09372.77282.48971.77721.77632.55413.77353.1288
H83.54582.71682.18231.09263.49602.49871.77721.77423.77354.33843.7968
H93.57152.73812.17001.09362.79253.06531.77631.77423.12883.79682.5973
H104.49633.40622.16262.77281.09372.48972.55413.77353.12881.77721.7763
H113.54582.71682.18233.49601.09262.49873.77354.33843.79681.77721.7742
H123.57152.73812.17002.79251.09363.06533.12883.79682.59731.77631.7742

picture of Propanenitrile, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.900 C2 C3 C4 110.188
C2 C3 C5 110.188 C2 C3 H6 106.805
C3 C4 H7 109.572 C3 C4 H8 111.193
C3 C4 H9 110.155 C3 C5 H10 109.572
C3 C5 H11 111.193 C3 C5 H12 110.155
C4 C3 C5 111.796 C4 C3 H6 108.859
C5 C3 H6 108.859 H7 C4 H8 108.758
H7 C4 H9 108.611 H8 C4 H9 108.496
H10 C5 H11 108.758 H10 C5 H12 108.611
H11 C5 H12 108.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability